org.nuiton.topia.persistence.internal.support

Class HibernateTopiaSqlSupport

java.lang.Object

org.nuiton.topia.persistence.internal.support.HibernateTopiaSqlSupport

All Implemented Interfaces:

TopiaSqlSupport

public class HibernateTopiaSqlSupport
extends Object
implements TopiaSqlSupport

Hibernate-based implementation of TopiaSqlSupport. It is used through Topia or directly with an Hibernate Session.

Since:

3.0

Author:

Arnaud Thimel (Code Lutin)

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	HibernateTopiaSqlSupport.HibernateSqlWork
static class	HibernateTopiaSqlSupport.HibernateTopiaSqlQueryWork<O>
static class	HibernateTopiaSqlSupport.HibernateTopiaSqlWork

Field Summary

Fields

Modifier and Type	Field and Description
protected TopiaHibernateSupport	hibernateSupport
protected org.hibernate.Session	session
protected Optional<Duration>	slowQueriesThreshold Delay after which Topia should consider a query as slow then log a warn.

Constructor Summary

Constructors

Constructor and Description
HibernateTopiaSqlSupport(org.hibernate.Session session)
HibernateTopiaSqlSupport(TopiaHibernateSupport hibernateSupport, Optional<Duration> slowQueriesThreshold)

Method Summary

Modifier and Type	Method and Description
void	doSqlWork(TopiaSqlWork sqlWork) Runs the given SQL work on the current context
void	executeSql(String sqlScript) Execute a given SQL code inside this transaction.
<O> List<O>	findMultipleResult(SqlFunction<Connection,PreparedStatement> preparer, SqlFunction<ResultSet,O> transformer) Runs the given SQL query and return all his result if there is some.
<O> List<O>	findMultipleResult(String sql, SqlFunction<ResultSet,O> transformer) Runs the given SQL query and return all his result if there is some.
<O> List<O>	findMultipleResult(TopiaSqlQuery<O> query) Runs the given SQL query and return all his result if there is some.
<O> O	findSingleResult(SqlFunction<Connection,PreparedStatement> preparer, SqlFunction<ResultSet,O> transformer) Runs the given SQL query and return its first result if there is some.
<O> O	findSingleResult(String sql, SqlFunction<ResultSet,O> transformer) Runs the given SQL query and return its first result if there is some.
<O> O	findSingleResult(TopiaSqlQuery<O> query) Runs the given SQL query and return its first result if there is some.
protected org.hibernate.Session	getHibernateSession()
protected SlowQueryWatcher	monitorWork(org.hibernate.jdbc.Work query)
void	setSlowQueriesThreshold(Duration slowQueriesThreshold) Tells to the context after which delay a query should be considered as slow.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

hibernateSupport

protected TopiaHibernateSupport hibernateSupport

session

protected org.hibernate.Session session

slowQueriesThreshold

protected Optional<Duration> slowQueriesThreshold

Delay after which Topia should consider a query as slow then log a warn. If no value is present, the slow queries won't be tracked.

Since:

3.8

Constructor Detail

HibernateTopiaSqlSupport

public HibernateTopiaSqlSupport(TopiaHibernateSupport hibernateSupport,
                                Optional<Duration> slowQueriesThreshold)

HibernateTopiaSqlSupport

public HibernateTopiaSqlSupport(org.hibernate.Session session)

Method Detail

setSlowQueriesThreshold

public void setSlowQueriesThreshold(Duration slowQueriesThreshold)

Description copied from interface: TopiaSqlSupport

Tells to the context after which delay a query should be considered as slow. Default value is to skip slow queries watching unless specified in application configuration.

Specified by:

setSlowQueriesThreshold in interface TopiaSqlSupport

Parameters:

slowQueriesThreshold - the new value to set

monitorWork

protected SlowQueryWatcher monitorWork(org.hibernate.jdbc.Work query)

executeSql

public void executeSql(String sqlScript)

Description copied from interface: TopiaSqlSupport

Execute a given SQL code inside this transaction.

Specified by:

executeSql in interface TopiaSqlSupport

Parameters:

sqlScript - the sql script to execute

getHibernateSession

protected org.hibernate.Session getHibernateSession()

doSqlWork

public void doSqlWork(TopiaSqlWork sqlWork)

Description copied from interface: TopiaSqlSupport

Runs the given SQL work on the current context

Specified by:

doSqlWork in interface TopiaSqlSupport

Parameters:

sqlWork - the SQL work instance to execute

findSingleResult

public <O> O findSingleResult(TopiaSqlQuery<O> query)
                       throws TopiaException

Description copied from interface: TopiaSqlSupport

Runs the given SQL query and return its first result if there is some.

Specified by:

findSingleResult in interface TopiaSqlSupport

Type Parameters:

O - type of result

Parameters:

query - query to play

Returns:

the single result or null if none found.

Throws:

TopiaException - for any pb

findSingleResult

public <O> O findSingleResult(SqlFunction<Connection,PreparedStatement> preparer,
                              SqlFunction<ResultSet,O> transformer)
                       throws TopiaException

Description copied from interface: TopiaSqlSupport

Runs the given SQL query and return its first result if there is some.

Specified by:

findSingleResult in interface TopiaSqlSupport

Type Parameters:

O - type of result

Parameters:

preparer - function to prepare the query

transformer - function to transform the ResultSet into the expected element

Returns:

the single result or null if none found.

Throws:

TopiaException - for any pb

findSingleResult

public <O> O findSingleResult(String sql,
                              SqlFunction<ResultSet,O> transformer)
                       throws TopiaException

Description copied from interface: TopiaSqlSupport

Runs the given SQL query and return its first result if there is some.

Specified by:

findSingleResult in interface TopiaSqlSupport

Type Parameters:

O - type of result

Parameters:

sql - the sql query

transformer - function to transform the ResultSet into the expected element

Returns:

the single result or null if none found.

Throws:

TopiaException - for any pb

findMultipleResult

public <O> List<O> findMultipleResult(TopiaSqlQuery<O> query)
                               throws TopiaException

Description copied from interface: TopiaSqlSupport

Runs the given SQL query and return all his result if there is some.

Specified by:

findMultipleResult in interface TopiaSqlSupport

Type Parameters:

O - type of result

Parameters:

query - query to play

Returns:

the list of results (the list is empty if query returns no result).

Throws:

TopiaException - for any pb

findMultipleResult

public <O> List<O> findMultipleResult(SqlFunction<Connection,PreparedStatement> preparer,
                                      SqlFunction<ResultSet,O> transformer)
                               throws TopiaException

Description copied from interface: TopiaSqlSupport

Runs the given SQL query and return all his result if there is some.

Specified by:

findMultipleResult in interface TopiaSqlSupport

Type Parameters:

O - type of result

Parameters:

preparer - function to prepare the query

transformer - function to transform the ResultSet into the expected element

Returns:

the list of results (the list is empty if query returns no result).

Throws:

TopiaException - for any pb

findMultipleResult

public <O> List<O> findMultipleResult(String sql,
                                      SqlFunction<ResultSet,O> transformer)
                               throws TopiaException

Description copied from interface: TopiaSqlSupport

Runs the given SQL query and return all his result if there is some.

Specified by:

findMultipleResult in interface TopiaSqlSupport

Type Parameters:

O - type of result

Parameters:

sql - the sql query

transformer - function to transform the ResultSet into the expected element

Returns:

the list of results (the list is empty if query returns no result).

Throws:

TopiaException - for any pb